<template>
  <div style="width:600px ;background-color: #fff;margin: 50px auto;padding:30px 60px" >
    <h1 style="text-align:center;margin:20px 0">管理员登录</h1>
    <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm" >
      <el-form-item label="用户名" prop="username">
        <el-input  v-model="ruleForm.username"></el-input>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input  type="password" v-model="ruleForm.password"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">登录</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>

</template>


<script>
  export default {
    data() {
      return {
        ruleForm: {
          username: 'root',
          password: '123456'
        },
        rules: {
          username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur' }
          ]
        }
      };
    },
    methods: {
      submitForm(formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            let url = "http://localhost:9081/admin/login";
            console.log(url);
            console.log(this.ruleForm);
            let ruleData = this.qs.stringify(this.ruleForm);
            this.axios.post(url,ruleData).then((response) =>{
              let responseBody = response.data;
              if (responseBody.state == 20000) {
                // console.log('登录成功！');
                this.$message({
                  message: '登录成功！',
                  type: 'success'
                });

                let jwt = responseBody.data;
                console.log("登录成功，服务器返回的jwt为："+jwt);
                localStorage.setItem("jwt",jwt);

                //以下是测试代码
                //let localJwt = localStorage.getItem("jwt");
                //console.log("从localStorage中读取JWT:"+localJwt);
              } else{
                this.$message.error(responseBody.message);
              }
            })
          } else {
            console.log('error submit!!');
            return false;
          }
        });
      },
      resetForm(formName) {
        this.$refs[formName].resetFields();
      }
    }
  }
</script>

<style>
  body{
    background-color: rgb(13, 112, 157);
  }
</style>
